diff --git a/app/build.gradle b/app/build.gradle
index 675b1dd0..dbcd1ed1 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -43,7 +43,7 @@ android {
     }
     kotlinOptions {
         jvmTarget = JavaVersion.VERSION_11.toString()
-        languageVersion = "1.6"
+        languageVersion = "1.7"
     }
     testOptions {
         unitTests.all {
diff --git a/build.gradle b/build.gradle
index 6c90483f..0bfb4e7a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,10 +2,11 @@ buildscript {
     // 1.3.61 Android 11
     // 1.4.30 Android 12
     // 1.6.10 Android 13
+    // 1.7.20 Android 13 (QPR2)
     // Check:
-    // https://android.googlesource.com/platform/external/kotlinc/+/refs/tags/android-13.0.0_r3/build.txt
-    ext.aosp_kotlin_version = '1.6.10'  // 1.6.10-release-923 in AOSP
-    ext.kotlin_version = '1.6.10'
+    // https://android.googlesource.com/platform/external/kotlinc/+/refs/tags/android-13.0.0_r32/build.txt
+    ext.aosp_kotlin_version = '1.7.20'  // 1.7.20-release-201 in AOSP
+    ext.kotlin_version = '1.7.20'
 
     repositories {
         mavenCentral()
diff --git a/storage/lib/build.gradle b/storage/lib/build.gradle
index 33adddc7..3b69f1ea 100644
--- a/storage/lib/build.gradle
+++ b/storage/lib/build.gradle
@@ -38,7 +38,7 @@ android {
     }
     kotlinOptions {
         jvmTarget = JavaVersion.VERSION_11.toString()
-        languageVersion = "1.6"
+        languageVersion = "1.7"
         freeCompilerArgs += '-Xopt-in=kotlin.RequiresOptIn'
         freeCompilerArgs += '-Xexplicit-api=strict'
     }